PDF static analysis report

Static analysis result for SHA-256 a8879aed018412f1…

SUSPICIOUS

PDF

43.5 KB Created: 2021-05-13 16:43:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 0945c5b1ff95ab1bc6949855e0ef04e8 SHA-1: 76f94d41248fae690f55988ca55f0b9c90fba4a3 SHA-256: a8879aed018412f1aeb70457e85b4b90ce61ae0ed61c1e61b958a443f5df7714
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that promote a 'Coin Master Hack' and 'free Robux', suggesting a lure for users seeking game cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates an attempt to redirect the user to download content. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or social engineering attack aimed at tricking users into downloading potentially unwanted or malicious applications.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 3

  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/406889139/coin-master-hack-apk-no-fb-login-game-hack PDF link annotation
    • https://www.ncscolour.no/images/moonactive-free-spins_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox-robux_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/www-rbxhut-com_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/coin-master-free-spins-and-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox-avatar-maker-free_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox36com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.ncscolour.no/images/how-do-you-get-free-pet-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.ncscolour.no/images/clean-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.ncscolour.no/images/minecraft-world-free-download_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004aa9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AA9 25812 bytes
SHA-256: b5536b9a2619ce8a2849ca3cc722f557641380278ba82e7260442baa291779da
font_01_sfnt_off00008705.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8705 18504 bytes
SHA-256: 78d6517c7e7bb6e1c795c442c03a5e1c53288b74fb53ad17eab4d7ee61bd6ac2